49b9137a60
gb_audio_manager_module_descriptor's intf_id field maintains the information about the interface on which module is connected hence having an extra slot field is redundant. Thus remove the slot field and its associated code. Signed-off-by: Pankaj Bharadiya <pankaj.bharadiya@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Vaibhav Agarwal <vaibhav.sr@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/*
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* Greybus operations
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*
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* Copyright 2015-2016 Google Inc.
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*
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* Released under the GPLv2 only.
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*/
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#ifndef _GB_AUDIO_MANAGER_H_
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#define _GB_AUDIO_MANAGER_H_
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#include <linux/kobject.h>
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#include <linux/list.h>
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#define GB_AUDIO_MANAGER_NAME "gb_audio_manager"
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#define GB_AUDIO_MANAGER_MODULE_NAME_LEN 64
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#define GB_AUDIO_MANAGER_MODULE_NAME_LEN_SSCANF "63"
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struct gb_audio_manager_module_descriptor {
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char name[GB_AUDIO_MANAGER_MODULE_NAME_LEN];
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int vid;
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int pid;
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int intf_id;
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unsigned int ip_devices;
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unsigned int op_devices;
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};
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struct gb_audio_manager_module {
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struct kobject kobj;
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struct list_head list;
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int id;
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struct gb_audio_manager_module_descriptor desc;
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};
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/*
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* Creates a new gb_audio_manager_module_descriptor, using the specified
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* descriptor.
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*
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* Returns a negative result on error, or the id of the newly created module.
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*
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*/
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int gb_audio_manager_add(struct gb_audio_manager_module_descriptor *desc);
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/*
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* Removes a connected gb_audio_manager_module_descriptor for the specified ID.
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*
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* Returns zero on success, or a negative value on error.
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*/
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int gb_audio_manager_remove(int id);
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/*
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* Removes all connected gb_audio_modules
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*
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* Returns zero on success, or a negative value on error.
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*/
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void gb_audio_manager_remove_all(void);
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/*
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* Retrieves a gb_audio_manager_module_descriptor for the specified id.
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* Returns the gb_audio_manager_module_descriptor structure,
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* or NULL if there is no module with the specified ID.
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*/
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struct gb_audio_manager_module *gb_audio_manager_get_module(int id);
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/*
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* Decreases the refcount of the module, obtained by the get function.
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* Modules are removed via gb_audio_manager_remove
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*/
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void gb_audio_manager_put_module(struct gb_audio_manager_module *module);
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/*
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* Dumps the module for the specified id
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* Return 0 on success
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*/
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int gb_audio_manager_dump_module(int id);
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/*
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* Dumps all connected modules
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*/
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void gb_audio_manager_dump_all(void);
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#endif /* _GB_AUDIO_MANAGER_H_ */
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